.canvas {
  height: 100%;
  overflow: auto;

  .wrapper {
    margin: 12px;
    border: 1px solid #fff;
    padding: 12px;
    border-radius: 3px;
    &:hover {
      border: 1px solid #d9d9d9;
    }
  }
}

.pointer-events {
  pointer-events: none; // 禁止点击
}

.selected {
  border: 1px solid #1890ff !important;
}

.locked {
  cursor: not-allowed;
  opacity: 0.5;
}
